Live › vulnerability › CVE-2026-59042
A race condition in the pKVM page-conversion function __pkvm_pages_to_ppages in mmu.c allows an out-of-bounds write. A local user with no extra privileges can use it to escalate to higher privileges.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-02 20:35 UTC. All times on this page are UTC.
Affected systems are those running a kernel with pKVM (protected KVM) support, typically Arm64 hypervisor setups. Any local account on such a host could use the flaw to gain elevated rights. The sources do not say which kernel versions or configurations are affected.
No product ranges from the sources yet.
Unknown from the sources.
No fix yet, per the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
In __pkvm_pages_to_ppages of mmu.c, there is a possible out-of-bounds write due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
This page as .md · .json · in your agent: get_signal("CVE-2026-59042")
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